Cosmetic brush



FIG. 1 is a perspective view of a cosmetic brush showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof, a rear view being identical to the frontview thereof;

FIG. 4 is a right side view thereof, a left side view being identical tothe right side view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view thereof, wherein a lid is open;

FIG. 7 is a top plan view thereof, wherein a lid is open;

FIG. 8 is a front view thereof, wherein a lid is open, a rear view,wherein a lid is open, being identical to the front view thereof; and,

FIG. 9 is a right side view thereof, wherein a lid is open, a left sideview, wherein a lid is open, being identical to the right side viewthereof.

The broken lines shown in the drawings depict portions of the cosmeticbrush that form no part of the claimed design.

CLAIM The ornamental design for a cosmetic brush, as shown and described. 